Thousands of women die of cervical cancer each year in the developing world. In large part, it's because they don't have access to tests like the Pap smear. But a new test, one that merely involves conventional vinegar, is changing everything.

Cervical cancer is far more common in the developing world than in the US. One reason: women in the US receive routine screening that catches it in its earliest stages. A low-cost test being rolled out in India could save tens of thousands of lives.

Cervical cancer is far more common in the developing world than in the US. One reason: women in the US receive routine screening that catches it in its earliest stages. A low-cost test being rolled out in India could save tens of thousands of lives.

Thousands of women die of cervical cancer each year in the developing world. In large part, it's because they don't have access to tests like the Pap smear. But a new test, one that merely involves conventional vinegar, is changing everything.